fink/test-class.lisp

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Common Lisp
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(defclass class_a ()
((a
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:initarg :a
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:initform (make-array 10 :initial-element 0)
:accessor a)))
(defclass class_b (class_a)
((b
:initform (make-array 10 :initial-element 0)
:initarg b
:accessor b)))
(defclass class_c (class_a)
((b
:initform (make-array 10 :initial-element 1)
:initarg b
:accessor b)))
(defclass class_d (class_b class_c)
((d
:initform 0
:accessor d)))
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(defgeneric dothing (class data)
(:method-combination progn :most-specific-last))
(defmethod dothing progn ((class class_a) data)
(loop for i from 0 to 9 do (setf (aref (a class) i) (+ (aref (a class) i) 1))));data))))
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(defmethod dothing progn ((class class_b) data)
(loop for i from 0 to 9 do (progn (setf (aref (b class) i) (+ (aref (b class) i) 2)) (print (aref (b class) i)))));(aref (a class) i) data))))
(defmethod dothing progn ((class class_c) data)
(loop for i from 0 to 9 do (progn (setf (aref (b class) i) (+ (aref (b class) i) 3)) (print (aref (b class) i)))))
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(defgeneric doother4 (class data)
);(:method-combination progn :most-specific-last))
(defmethod doother4 ((class class_a) data)
(format t "class_a~%")
(loop for i from 0 to 4 do (setf (aref data i) "a"))
data)
(defmethod doother4 :after ((class class_b) data)
(format t "class_b~%")
(loop for i from 0 to 2 do (setf (aref data i) "b"))
data)
(defmethod (setf a) (new-number (class class_a))
(setf (aref (a class) 0) new-number))
;(defmethod (setf a) (new-number index (class class_a))
; (setf (aref (a class) index) new-number))